body {
    background: linear-gradient(to right, #e0eafc, #cfdef3);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.refund-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    width: 100%; /* 修改为 100% 以充分利用空间 */
    max-width: 1600px;
}
.btn-submit {
    background: #4facfe;
    color: white;
    padding: 0.75rem;
    border-radius: 10px;
    transition: background 0.3s;
}
.btn-submit:hover {
    background: #00f2fe;
}
.success-message {
    color: green;
    text-align: center;
    margin-top: 1rem;
}

/* 添加表格容器的样式 */
.table-container {
    display: flex;
    gap: 2rem; /* 增加表格之间的间距 */
    justify-content: space-between;
    flex-wrap: wrap; /* 允许表格换行 */
}

#orderTable, #flightTable {
    flex: 1; /* 让表格自适应宽度 */
    min-width: 400px; /* 设置最小宽度 */
}
